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/***************************************************************************
* CT Unit of Time Interval Implementation *
* -------------------------------------------------------------------- *
* Copyright (C) 1999, Gary Meyer <[email protected]> *
* -------------------------------------------------------------------- *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
// Do not introduce any TQt or KDE dependencies into the "CT"-prefixed classes.
// I want to be able to reuse these classes with another GUI toolkit. -GM 11/99
#include "cti18n.h"
#include <vector>
#include <string>
#include <stdlib.h> // sprintf
#include <stdio.h> // sprintf
#include <ctype.h> // tolower
using namespace std;
template<int min, int max>
CTUnit<min, max>::CTUnit(const string &tokStr)
{
initialize(tokStr);
}
template<int min, int max>
CTUnit<min, max>::CTUnit(const CTUnit& source)
{
for (int i = 0; i <= max; i++)
{
initialEnabled[i] = 0;
enabled[i] = source.enabled[i];
}
initialTokStr = "";
isDirty = true;
}
template<int min, int max>
CTUnit<min, max>::~CTUnit()
{
}
template<int min, int max>
void CTUnit<min, max>::operator = (const CTUnit<min,max>& unit)
{
for (int i = 0; i <= max; i++)
enabled[i] = unit.enabled[i];
isDirty = true;
return;
}
template<int min, int max>
void CTUnit<min, max>::initialize(const string &tokStr)
{
for (int i = 0; i <= max; i++)
enabled[i] = 0;
parse(tokStr);
for (int i = min; i <= max; i++)
initialEnabled[i] = enabled[i];
initialTokStr = tokStr;
isDirty = false;
return;
}
template<int min, int max>
void CTUnit<min, max>::parse(string tokStr)
{
// subelement is that which is between commas
string subelement;
int commapos, slashpos, dashpos;
int beginat, endat, step;
// loop through each subelement
tokStr += ",";
while ((commapos = tokStr.find(",")) > 0)
{
subelement = tokStr.substr(0,commapos);
// find "/" to determine step
slashpos = subelement.find("/");
if (slashpos == -1)
{
step = 1;
slashpos = subelement.length();
}
else
{
step = fieldToValue(subelement.substr(slashpos+1,
subelement.length()-slashpos-1));
if (step < 1)
step = 1;
}
// find "=" to determine range
dashpos = subelement.find("-");
if (dashpos == -1)
{
// deal with "*"
if (subelement.substr(0,slashpos) == "*")
{
beginat = min;
endat = max;
}
else
{
beginat = fieldToValue(subelement.substr(0,slashpos));
endat = beginat;
}
}
else
{
beginat = fieldToValue(subelement.substr(0,dashpos));
endat = fieldToValue(subelement.substr(dashpos+1,slashpos-dashpos-1));
}
// ignore out of range
if (beginat < 0)
beginat = 0;
if (endat > max)
endat = max;
// setup enabled
for (int i = beginat; i <= endat; i+=step)
enabled[i] = 1;
tokStr = tokStr.substr(commapos+1, tokStr.length()-commapos-1);
}
return;
}
template<int min, int max>
string CTUnit<min, max>::tokenize() const
{
if (!isDirty)
{
return initialTokStr;
}
else
{
int total(count());
int count(0);
int num(min);
string tmpStr;
while (num <= max)
{
if (enabled[num])
{
char cnum[3];
sprintf(cnum, "%u", num);
tmpStr += cnum;
if (++count < total)
tmpStr += ",";
}
num++;
}
if (count == (max - min + 1))
tmpStr = "*";
return tmpStr;
}
}
template<int min, int max>
string CTUnit<min, max>::describe(const string *label) const
{
int total(count());
int count(0);
string tmpStr;
for (int i = min; i <= max; i++)
{
if (enabled[i])
{
tmpStr += label[i];
count++;
switch (total - count)
{
case 0: break;
case 1: if (total > 2) tmpStr += (const char *)i18n(",").local8Bit();
tmpStr += (const char *)i18n(" and ").local8Bit();
break;
default: tmpStr += (const char *)i18n(", ").local8Bit();
break;
}
}
}
return tmpStr;
}
template<int min, int max>
int CTUnit<min, max>::begin()
{
return min;
}
template<int min, int max>
int CTUnit<min, max>::end()
{
return max;
}
template<int min, int max>
bool CTUnit<min, max>::get(int pos) const
{
return enabled[pos];
}
template<int min, int max>
void CTUnit<min, max>::set(int pos, bool value)
{
enabled[pos] = value;
isDirty = true;
return;
}
template<int min, int max>
void CTUnit<min, max>::enable(int pos)
{
enabled[pos] = true;
isDirty = true;
return;
}
template<int min, int max>
void CTUnit<min, max>::disable(int pos)
{
enabled[pos] = false;
isDirty = true;
return;
}
template<int min, int max>
bool CTUnit<min, max>::dirty() const
{
return isDirty;
}
template<int min, int max>
int CTUnit<min, max>::count() const
{
int total(0);
for (int i = min; i <= max; i++)
total += (enabled[i] == true);
return total;
}
template<int min, int max>
void CTUnit<min, max>::apply()
{
initialTokStr = tokenize();
for (int i = min; i <= max; i++)
initialEnabled[i] = enabled[i];
isDirty = false;
return;
}
template<int min, int max>
void CTUnit<min, max>::cancel()
{
for (int i = min; i <= max; i++)
enabled[i] = initialEnabled[i];
isDirty = false;
return;
}
template<int min, int max>
int CTUnit<min, max>::fieldToValue(string entry) const
{
// GNU C++ STL has no String::toLower() so we have to lower
// by hand.
string lower("");
int length = entry.length();
for (int i = 0; i < length; i++)
lower += tolower(*(entry.substr(i, 1).c_str()));
// check for days
string days[7] =
{
"sun", "mon", "tue", "wed", "thu", "fri", "sat"
};
for (int day = 0; day < 7; day++)
{
if (lower == days[day])
{
char cnum[3];
sprintf(cnum, "%u", day);
entry = cnum;
}
}
// check for months
string months[13] =
{
"",
"jan", "feb", "mar", "apr", "may", "jun",
"jul", "aug", "sep", "oct", "nov", "dec"
};
for (int month = 1; month < 13; month++)
{
if (lower == months[month])
{
char cnum[3];
sprintf(cnum, "%u", month);
entry = cnum;
}
}
return atoi(entry.c_str());
}
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